from tkinter import *

y = int(input())
x = int(input())
N = int(input())

coords = [0 * N + x, 0 * N + y,
         10 * N + x, 0 * N + y,
         10 * N + x, 10 * N + y,
         20 * N + x, 10 * N + y,
         20 * N + x, 20 * N + y,
         10 * N + x, 20 * N + y,
         10 * N + x, 30 * N + y,
         0 * N + x, 30 * N + y]

if N == 0 and x >= 0 and x <= 500 and y >= 0 and y <= 500:
    pass
else:
    if N > 0 and 0 * N + x >= 0 and 0 * N + y >= 0 and 20 * N + x <= 500 and 20 * N + y <= 500:
        pass
    else:
        if N < 0 and 20 * N + x >= 0 and 20 * N + y >= 0 and 0 * N + x <= 500 and 0 * N + y <= 500:
            pass
        else:
            print('Размер фигуры превышает максимальный размер поля')
            exit()
root = Tk()
root.title('ИТ-марафон')
root.geometry('500x500')
          
canvas = Canvas(bg='white', width = 500,height = 500)
canvas.pack(anchor=CENTER, expand = 1)
canvas.create_polygon(coords)

root.mainloop()
